Synthesis of Carbazoloquinones via Direct Palladation of 5-Anilino-2-phenylthio-1,4-benzoquinones and of 2-Anilino-1,4-naphthoquinones - Concepedia

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Synthesis of Carbazoloquinones via Direct Palladation of 5-Anilino-2-phenylthio-1,4-benzoquinones and of 2-Anilino-1,4-naphthoquinones

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References

1991

Year

Shmuel Bittner, Penina Krief, Tracy Massil

Cross-coupling ReactionEngineeringHeterocyclicNatural SciencesDiversity-oriented SynthesisOrganic ChemistryChemistryDirect PalladationHeterocycle Chemistry2-Anilino-1,4-naphthoquinones 1Synthetic ChemistryBiomolecular EngineeringSubstituted 3-Phenylthiocarbazole-1,4-diones

Abstract

5-Anilino-2-phenylthio-1,4-benzoquinones and 2-anilino-1,4-naphthoquinones 1 undergo a facile one-step oxidative coupling in the presence of palladium(II) acetate to produce a series of substituted 3-phenylthiocarbazole-1,4-diones and benzo[b]carbazole-1,6-diones 2.